Horseshoe Bend Diversion

Payette River· Boise, Idaho· Built 1995· Other· 8 ft tall
Low Hazard Hydroelectric Private

Key Takeaway

Horseshoe Bend Diversion is classified as low hazard in Idaho. It was completed in 1995 and is 31 years old. Its primary use is hydroelectric.

Physical Details

Dam Height 8 ft (taller than 1% in ID)
Dam Length220 ft
Dam TypeOther
Max Storage116 acre-ft
Normal Storage116 acre-ft
Surface Area6 acres
Drainage Area2,230 sq mi
Year Completed1995 (31 years old)
NID IDID00726

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: July 7, 2022
State Regulated: Yes
Regulatory Agency: IDWR

Ownership

Horseshoe Bend Hydroelectric Company

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Horseshoe Bend Diversion?

Horseshoe Bend Diversion is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Horseshoe Bend Diversion?

Horseshoe Bend Diversion is owned by Horseshoe Bend Hydroelectric Company (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Horseshoe Bend Diversion built?

Horseshoe Bend Diversion was completed in 1995, making it 31 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Horseshoe Bend Diversion?

Horseshoe Bend Diversion serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Horseshoe Bend Diversion?

Horseshoe Bend Diversion has a dam height of 8 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Horseshoe Bend Diversion last inspected?

Horseshoe Bend Diversion was last inspected on July 7, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.